MESON Chess Problem Database
Problem Display
PID: 110783 (8/6p1/p5B1/rb2p1Bp/pK1p1b1R/Nn2kp2/1Q2P3/3R3N w - - 0 1)
Fairlie, George O
Morning Post, 1919
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Bd7
- 2.Sc4#
- 2.Rd3#
- 1...Be8
- 2.Sc4#
- 2.Rd3#
- 1...Sa1
- 2.Qd2#
- 1...Sc1
- 2.Qd2#
- 1...Sd2
- 2.Qxd2#
- 1...Sc5
- 2.Qd2#
- 1...fxe2
- 2.Rh3#
- 1...f2
- 2.Rh3#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Bxf4#
- 1...Bxg5
- Tries
- 1.Sxb5?
- threat
- 2.Rd3#
- 1...Sd2
- 2.Qxd2#
- 1...Sc1
- 2.Qd2#
- 1...Sc5
- 2.Qd2#
- 1...d3
- 2.Rxd3#
- 2.Qxe5#
- 1...e4
- 2.Bxf4#
- 1...Rxb5+!
- threat
- 1.Bh6?
- 1...Bxh6
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...Sd2
- 2.Qxd2#
- 1...Bg5
- 2.Bxg5#
- 2.Re4#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Bd7
- 2.Sc4#
- 2.Rd3#
- 1...Be8
- 2.Sc4#
- 2.Rd3#
- 1...Sa1
- 2.Qd2#
- 1...Sc1
- 2.Qd2#
- 1...Sc5
- 2.Qd2#
- 1...f2
- 2.Rh3#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Bxf4#
- 1...gxh6!
- 1...Bxh6
- 1.Bd3?
- threat
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 2.Qxe2#
- 1...Sa1
- 2.Qc1#
- 2.Qd2#
- 1...Bxd3!
- threat
- 1.Bf5?
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...Sd2
- 2.Qxd2#
- 1...f2
- 2.Rh3#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Bd7
- 2.Sc4#
- 2.Rd3#
- 1...Be8
- 2.Sc4#
- 2.Rd3#
- 1...Sa1
- 2.Qd2#
- 1...Sc1
- 2.Qd2#
- 1...Sc5
- 2.Qd2#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Bxf4#
- 1...g6!
- 1...Bxg5
- 1.Bh7?
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...Sd2
- 2.Qxd2#
- 1...f2
- 2.Rh3#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Bd7
- 2.Sc4#
- 2.Rd3#
- 1...Be8
- 2.Sc4#
- 2.Rd3#
- 1...Sa1
- 2.Qd2#
- 1...Sc1
- 2.Qd2#
- 1...Sc5
- 2.Qd2#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Bxf4#
- 1...g6!
- 1...Bxg5
- 1.Rxd4?
- threat
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...exd4
- 2.Bxf4#
- 1...Sd2
- 2.Qxd2#
- 1...Bd3
- 2.Rxd3#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Sc5
- 2.Qd2#
- 1...e4
- 2.Bxf4#
- 2.Rxe4#
- 1...Sxd4!
- threat
- 1.Rh2?
- threat
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...f2
- 2.Rh3#
- 1...Bd3
- 2.Rxd3#
- 1...Sa1
- 2.Qc1#
- 2.Qd2#
- 1...d3
- 2.Qxe5#
- 1...Bxg5!
- threat
- 1.Rh3?
- threat
- 2.Rxf3#
- 1...Bxe2
- 2.Sc2#
- 1...Sd2
- 2.Qxd2#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...e4!
- threat
- 1.Rxf4?
- threat
- 2.Rxf3#
- 2.Rfxd4#
- 2.Re4#
- 2.Rg4#
- 2.Rh4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bxe2
- 2.Sc2#
- 2.Rfxd4#
- 2.Re4#
- 2.Rg4#
- 2.Rh4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...fxe2
- 2.Sc2#
- 2.Rff1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sd2
- 2.Re4#
- 2.Qxd2#
- 1...f2
- 2.Rxf2#
- 2.Rf3#
- 2.Rfxd4#
- 2.Re4#
- 2.Rg4#
- 2.Rh4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...d3
- 2.Rxf3#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rg4#
- 2.Rh4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 2.Qxe5#
- 1...e4
- 2.Rxf3#
- 2.Rxe4#
- 2.Rg4#
- 2.Rh4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...h4
- 2.Rxf3#
- 2.Rfxd4#
- 2.Re4#
- 2.Rg4#
- 2.Rxh4#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...exf4!
- threat
- 1.Qc1+?
- 1...Kxe2
- 2.Re1#
- 1...Sd2
- 2.Qxd2#
- 1...Sxc1!
- 1...Kxe2
- 1.Qc3+?
- 1...Kxe2
- 2.Re1#
- 2.Qe1#
- 1...Bd3
- 2.Qxd3#
- 1...d3
- 2.Qxe5#
- 1...dxc3!
- 1...Kxe2
- 1.Qa2?
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Sc2#
- 1...fxe2
- 2.Rh3#
- 1...Sd2
- 2.Qxd2#
- 1...f2
- 2.Rh3#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 1...Bd7
- 2.Sc4#
- 2.Rd3#
- 1...Be8
- 2.Sc4#
- 2.Rd3#
- 1...Sa1
- 2.Qd2#
- 1...Sc1
- 2.Qd2#
- 1...Sc5
- 2.Qd2#
- 1...e4
- 2.Bxf4#
- 1...d3!
- 1...Bxg5
- 1.Qc2?
- threat
- 2.Qe4#
- 1...Sd2
- 2.Qxd2#
- 1...Bd3
- 2.Rxd3#
- 2.Qxd3#
- 1...Bc6
- 2.Sc4#
- 2.Rd3#
- 2.Qd3#
- 1...Sc5
- 2.Qd2#
- 1...e4
- 2.Bxf4#
- 2.Qxe4#
- 1...d3!
- threat
- 1.Sxb5?
- Keys
- 1.Re1!
- 1...Bxg5
- 2.Re4#
- 1...Bxe2
- 2.Sc4#
- 1...fxe2
- 2.Rh3#
- 1...f2
- 2.Rh3#
- 1...Bd3
- 2.exd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 1...Bd7
- 2.Sc4#
- 1...Be8
- 2.Sc4#
- 1...Sa1
- 2.Qc1#
- 1...Sc1
- 2.Qxc1#
- 1...Sd2
- 2.Sc2#
- 1...Sc5
- 2.Qc1#
- 1...d3
- 2.exd3#
- 1...e4
- 2.Bxf4#
- 1...Bxg5
- 1.Re1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(E)
- B(h);N_GUARD::R1(A),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- P(c);OGATEB,XP(D)::R(G)
- P(c);OGATEB::R(G)
- P(e);OGATE::QAR2(C),XP(i)
- P(i);N_GUARD::B(H),XB(f)
- Tries
- Try
- S(E);XB(h)
- Threat
- R1(A)
- Vars
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- P(i);N_GUARD::B(H),XB(f)
- Refutation
- R(g);CHECK,XS(E)
- Try
- B(H);
- Vars
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(E)
- P(c);OGATEB,XP(D)::R(G)
- S(a);N_GUARD::QAB1(C),XS(a)
- B(h);N_GUARD::R1(A),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- S(a);N_GUARD::QAB1(C)
- P(c);OGATEB::R(G)
- P(e);OGATE::QAR2(C),XP(i)
- P(i);N_GUARD::B(H),XB(f)
- Refutation
- P(l);N_SPINB(f),XB(H)
- Try
- B(I);
- Threat
- S(E)
- Refutation
- B(h);XB(I)
- Try
- B(I);
- Vars
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(E)
- P(c);OGATEB,XP(D)::R(G)
- S(a);N_GUARD::QAB1(C),XS(a)
- P(c);OGATEB::R(G)
- B(h);N_GUARD::R1(A),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- S(a);N_GUARD::QAB1(C)
- P(e);OGATE::QAR2(C),XP(i)
- P(i);N_GUARD::B(H),XB(f)
- Refutation
- P(l);
- Try
- B(I);
- Vars
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(E)
- P(c);OGATEB,XP(D)::R(G)
- S(a);N_GUARD::QAB1(C),XS(a)
- P(c);OGATEB::R(G)
- B(h);N_GUARD::R1(A),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- S(a);N_GUARD::QAB1(C)
- P(e);OGATE::QAR2(C),XP(i)
- P(i);N_GUARD::B(H),XB(f)
- Refutation
- P(l);
- Try
- R(A);XP(e)
- Threat
- R1(A)
- Vars
- B(h);SBLOCK,XP(D)::S(E)
- P(c);OGATEB,XP(D)::R(G)
- P(i);N_GUARD,XR(A)::B(H),XB(f)
- S(a);N_GUARD::QAB1(C),XS(a)
- B(h);N_GUARD::R1(A),XB(h)
- S(a);N_GUARD::QAB1(C)
- Refutation
- S(a);XR(A)
- Try
- R(G);
- Threat
- S(E)
- Vars
- P(c);OGATEB,XP(D)::R(G)
- P(c);OGATEB::R(G)
- B(h);N_GUARD::R1(A),XB(h)
- P(e);OGATE::QAR2(C),XP(i)
- Refutation
- B(f);N_SPINB(f),XB(H)
- Try
- R(G);P_PINP(c)
- Threat
- R1(G),XP(c)
- Vars
- B(h);SBLOCK,XP(D)::S(E)
- S(a);N_GUARD::QAB1(C),XS(a)
- Refutation
- P(i);
- Try
- R(G);XB(f)
- Threat
- DUALS(8)
- Refutation
- P(i);P_SPINP(i),XR(G)
- Try
- Q(C);CHECK
- Vars
- K(b);N_SPINB(f),P-FLIGHT,XP(D)::R1(A)
- S(a);N_GUARD,P_SPINS(a)::QAB1(C),XS(a)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);CHECK
- Vars
- B(h);N_GUARD,N_SPINB(f),P_SPINB(h)::QAR1(C),XB(h)
- P(e);OGATE,P_SPINP(e)::QAR2(C),XP(i)
- Refutation
- P(e);XQ(C)
- Try
- Q(C);
- Vars
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(E)
- P(c);OGATEB,XP(D)::R(G)
- S(a);N_GUARD::QAB1(C),XS(a)
- P(c);OGATEB::R(G)
- B(h);N_GUARD::R1(A),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- S(a);N_GUARD::QAB1(C)
- P(i);N_GUARD::B(H),XB(f)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- Refutation
- P(e);
- Try
- Actual
- R(A);
- Vars
- B(f);N_SPINB(f),OGATE,XB(H)::R1(G)
- B(h);N_GUARD,N_SPINB(f),P_SPINB(h),XP(D)::S(E)
- P(c);OGATEB,P_SPINP(c),XP(D)::R(G)
- P(c);OGATEB::R(G)
- B(h);OGATE::R(A)+P(D),XB(h)
- B(h);N_GUARD::S(E),XB(h)
- B(h);N_GUARD::S(E)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(a);SBLOCK::S(E)
- P(e);OGATE::R(A)+P(D),XP(e)
- P(i);N_GUARD::B(H),XB(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).